#include <iostream>
#include <cstdlib> 
#include <limits>
#include <math.h>

#include "Image.H"
#include "IO.H"
#include "Util.H"

#include "filter.h"

using namespace pip;
using namespace std;


int main(int argc, char *argv[])
{
  cout << g0(-1,3.0)<<" " << g1(-1,3.0)<<" " << g2(-1,3.0)<<" " << g3(-1,3.0)<<endl;
  system("pause");
}